| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 NH3 + 3 Na2O = 6 Na + 3 H2O + N2
NaCl + F = Na + FCl =>
NaCl + F = Na + FCl
Ca2{+} + C2O4{2-} = C2O4{+} + Ca =>
3 Ca2{+} + C2O4{2-} = C2O4{+} + 6 Ca
Ba(HCO3)2 + H{+} = Ba{2+} + H2O + CO2 =>
Ba(HCO3)2 + 2 H{+} = Ba{2+} + 2 H2O + 2 CO2
CH3COOH + MgCO3 = MgCOOH + H2O + CO2 =>
3 CH3COOH + 8 MgCO3 = 8 MgCOOH + 2 H2O + 6 CO2
Zn(NO3)2 + K2S + H2O = Zn(OH)2 + H2S + KNO3 =>
Zn(NO3)2 + K2S + 2 H2O = Zn(OH)2 + H2S + 2 KNO3
Pb + NO3 = Pb(NO2)4 + O2 =>
Pb + 4 NO3 = Pb(NO2)4 + 2 O2
Br2 + NaF = Br2Na + F =>
Br2 + NaF = Br2Na + F
MgBr(aq) + NaH(aq) = MgH(s) + NaBr =>
MgBr(aq) + NaH(aq) = MgH(s) + NaBr
Ca + HClO3 = Ca(ClO3)2 + H2 =>
Ca + 2 HClO3 = Ca(ClO3)2 + H2
Cu2O + NH4OH = Cu(NH3)4 + OH + H2O =>
Cu2O + 8 NH4OH = 2 Cu(NH3)4 + 2 OH + 7 H2O
BaNO3 + (NH4)CO3 = BaCO3 + (NH4)NO3 =>
BaNO3 + (NH4)CO3 = BaCO3 + (NH4)NO3
NH3 + Na2O = Na + H2O + N2 =>
2 NH3 + 3 Na2O = 6 Na + 3 H2O + N2
KH2BO3 + HBr = KBr + H3BO3 =>
KH2BO3 + HBr = KBr + H3BO3
HCl(g) + CaCO3(aq) = CaCl2(aq) + H2O(l) + CO2(g) =>
2 HCl(g) + CaCO3(aq) = CaCl2(aq) + H2O(l) + CO2(g)
CH2CHCH3 + KMnO4 + H2O = (CH2OH)2 + MnO2 + KOH =>
2 CH2CHCH3 + 2 KMnO4 + 4 H2O = 3(CH2OH)2 + 2 MnO2 + 2 KOH
SiO2 + C = CSi + CO2 =>
SiO2 + 2 C = CSi + CO2
Cl2(g) + KOH(aq) = KCl(aq) + KClO3(aq) + H2O =>
3 Cl2(g) + 6 KOH(aq) = 5 KCl(aq) + KClO3(aq) + 3 H2O
C3H8O2 + K2Cr2O7 + H2SO4 = C3H6O2 + K2SO4 + Cr2(SO4)3 + H2O =>
3 C3H8O2 + K2Cr2O7 + 4 H2SO4 = 3 C3H6O2 + K2SO4 + Cr2(SO4)3 + 7 H2O
Cd + Cl = CdCl2 =>
Cd + 2 Cl = CdCl2
[Co(NH3)6]Cl3 = CoCl2 + NH3 + Cl2 =>
2[Co(NH3)6]Cl3 = 2 CoCl2 + 12 NH3 + Cl2
HCl + C17H21NO4 = C17H22ClNO4 =>
HCl + C17H21NO4 = C17H22ClNO4
Sr(ClO3)2 + Na2SO4 = SrSO4 + NaClO3 =>
Sr(ClO3)2 + Na2SO4 = SrSO4 + 2 NaClO3
Ba(NO3)2 + Na2SO4 = BaSO4 + Na + (NO3)2 =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 Na + (NO3)2
CaSO4 + SiO2 + C = CaSiO3 + SO2 + CO2 =>
2 CaSO4 + 2 SiO2 + C = 2 CaSiO3 + 2 SO2 + CO2
Pb(NO3)2 + CaOCl2 + H2O = CaCl2 + PbO2 + HNO3 =>
Pb(NO3)2 + CaOCl2 + H2O = CaCl2 + PbO2 + 2 HNO3
CH3OOH + OH = CH3CO2 + H2O =>
2 CH3OOH + OH = CH3CO2 + 3 H2O
K + Al2O3 = K3O3 + Al2 =>
3 K + Al2O3 = K3O3 + Al2
Al + HNO3 = AlHNO3 =>
Al + HNO3 = AlHNO3
[Co(CO3)3]{3-} + HNO3 + H2O = [Co(OH2)6]{3+} + NO3{-} + CO2 =>
[Co(CO3)3]{3-} + 6 HNO3 + 3 H2O = [Co(OH2)6]{3+} + 6 NO3{-} + 3 CO2
TN + O2 = TNO =>
2 TN + O2 = 2 TNO
HNO3 + P4S3 + H2O = H2SO4 + NO + H3PO4 =>
38 HNO3 + 3 P4S3 + 8 H2O = 9 H2SO4 + 38 NO + 12 H3PO4
K2O + N2O5 = KNO3 =>
K2O + N2O5 = 2 KNO3
C2H6 + Br = C2H5Br + H2 =>
2 C2H6 + 2 Br = 2 C2H5Br + H2
CH3COOH + Be(OH)2 = H2O + C12H18Be4O13 =>
6 CH3COOH + 4 Be(OH)2 = 7 H2O + C12H18Be4O13
CH3CH2CH2CH2OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH2CH2COH + H2O =>
3 CH3CH2CH2CH2OH + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 CH3CH2CH2COH + 7 H2O
HgSO4 + NH4NO3 = Hg(NO3) + NH4SO4 =>
HgSO4 + NH4NO3 = Hg(NO3) + NH4SO4
LiF + SiO2 = SiF4 + Li2O =>
4 LiF + SiO2 = SiF4 + 2 Li2O
(c)BaCl2(aq) + H2SO4(aq) = BaSO4(s) + HCl(aq) =>
(c)BaCl2(aq) + H2SO4(aq) = BaSO4(s) + 2 HCl(aq)
FeSO4 + K2Cr2O7 = FeCr + KSO4 + O =>
2 FeSO4 + K2Cr2O7 = 2 FeCr + 2 KSO4 + 7 O
H + CO2 = C6H12O6 + O2 =>
12 H + 6 CO2 = C6H12O6 + 3 O2
Cl + Al + H2O = Al200(OH)500Cl100 + H2 =>
100 Cl + 200 Al + 500 H2O = Al200(OH)500Cl100 + 250 H2
AgCl(s) + O2(g) = Ag2O + Cl2 =>
4 AgCl(s) + O2(g) = 2 Ag2O + 2 Cl2
C8H10 + KMnO4 = C7H5KO2 + KHCO3 + MnO2 + KOH =>
3 C8H10 + 22 KMnO4 = 2 C7H5KO2 + 10 KHCO3 + 22 MnO2 + 10 KOH
BeSO4 + NH4OH = Be(OH)2 + (NH4)2SO4 =>
BeSO4 + 2 NH4OH = Be(OH)2 + (NH4)2SO4
KI + H2O = H2 + I + KOH =>
2 KI + 2 H2O = H2 + 2 I + 2 KOH
CH3CH2OH + OH = CO2 + H2O =>
CH3CH2OH + 12 OH = 2 CO2 + 9 H2O
Al{3+} + OH{-} = Al(OH)3 =>
Al{3+} + 3 OH{-} = Al(OH)3
Sb(s) + Cl2(s) = SbCl3 =>
2 Sb(s) + 3 Cl2(s) = 2 SbCl3
H2SO4 + KOH = (KOH)2SO4 + H2 =>
H2SO4 + 2 KOH = (KOH)2SO4 + H2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/15/24
Équations équilibrées sur01/14/24
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